. >> u.s. officials say so far, they do not know who is responsible, but the turkish authorities believe they are a member of a radical leftist terror group and may have been in retaliation for rest and some of the members two weeks ago. >> the blast happened on the same day secretary of state hillary clinton is leaving her job at the state department, but not without a final coat at her critics. not livings they are in a cloak evidence-based world ." in their refusal is regrettable to except the statement. she says that will not affect any decisions about her political future. succeeding her as a senator john kerry. religious nonprofit groups are getting more leeway to opt out of providing health insurance to provide coverage for birth control. one source of the organizations will be allowed to push the responsibility of covering contraceptives over to a third party. the religious groups say that it violated their religious beliefs. >> still ahead, millions of bottles of two popular cold medic